1316253705 has 16 divisors (see below), whose sum is σ = 2268006720. Its totient is φ = 648001728.

The previous prime is 1316253691. The next prime is 1316253733. The reversal of 1316253705 is 5073526131.

It is not a de Polignac number, because 1316253705 - 2¹⁸ = 1315991561 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3374815 + ... + 3375204.

It is an arithmetic number, because the mean of its divisors is an integer number (141750420).

Almost surely, 2^1316253705 is an apocalyptic number.

1316253705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1316253705 is a deficient number, since it is larger than the sum of its proper divisors (951753015).

1316253705 is a wasteful number, since it uses less digits than its factorization.

1316253705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6750040.

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 1316253705 is about 36280.2109282733. The cubic root of 1316253705 is about 1095.9225643805.

Adding to 1316253705 its reverse (5073526131), we get a palindrome (6389779836).

The spelling of 1316253705 in words is "one billion, three hundred sixteen million, two hundred fifty-three thousand, seven hundred five".